Use -std=gnu11 if available.

This supersedes -std=gnu99, and enables C11 atomics.
This commit is contained in:
Jason Evans 2016-11-03 21:57:17 -07:00
parent 0760876927
commit 6d2a57cfbb

View File

@ -171,10 +171,16 @@ fi
if test "x$CFLAGS" = "x" ; then
no_CFLAGS="yes"
if test "x$GCC" = "xyes" ; then
dnl JE_CFLAGS_APPEND([-std=gnu99])
JE_CFLAGS_APPEND([-std=gnu11])
if test "x$je_cv_cflags_appended" = "x-std=gnu11" ; then
AC_DEFINE_UNQUOTED([JEMALLOC_HAS_RESTRICT])
else
JE_CFLAGS_APPEND([-std=gnu99])
if test "x$je_cv_cflags_appended" = "x-std=gnu99" ; then
AC_DEFINE_UNQUOTED([JEMALLOC_HAS_RESTRICT])
fi
fi
JE_CFLAGS_APPEND([-Wall])
JE_CFLAGS_APPEND([-Werror=declaration-after-statement])
JE_CFLAGS_APPEND([-Wshorten-64-to-32])